diff options
Diffstat (limited to 'login/logwtmp.c')
| -rw-r--r-- | login/logwtmp.c | 111 |
1 files changed, 54 insertions, 57 deletions
diff --git a/login/logwtmp.c b/login/logwtmp.c index 7734ca9624..10f7384f6c 100644 --- a/login/logwtmp.c +++ b/login/logwtmp.c @@ -1,67 +1,64 @@ -/* - * Copyright (c) 1988, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ +/* Copyright (C) 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. +Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)logwtmp.c 8.1 (Berkeley) 6/4/93"; -#endif /* LIBC_SCCS and not lint */ +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. -#include <sys/types.h> -#include <sys/file.h> -#include <sys/stat.h> -#include <time.h> -#include <string.h> +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ +#include <string.h> #include <unistd.h> #include <utmp.h> + void -logwtmp(line, name, host) - const char *line, *name, *host; +logwtmp (const char *line, const char *name, const char *host) { - struct utmp ut; - struct stat buf; - int fd; + struct utmp_data data; + struct utmp ut; + + /* Tell that we want to use the UTMP file. */ + if (utmpname (_PATH_WTMP) == 0) + return; + + /* Open UTMP file. */ + setutent_r (&data); + + /* Position at end of file. */ + data.loc_utmp = lseek (data.ut_fd, 0, SEEK_END); + if (data.loc_utmp == -1) + return; + + /* Set information in new entry. */ + bzero (&ut, sizeof (ut)); +#if _HAVE_UT_TYPE - 0 + ut.ut_type = USER_PROCESS; +#endif + strncpy (ut.ut_line, line, UT_LINESIZE); + strncpy (ut.ut_name, name, UT_NAMESIZE); + strncpy (ut.ut_host, host, UT_HOSTSIZE); + +#if _HAVE_UT_TV - 0 + gettimeofday (&ut.ut_tv, NULL); +#else + time (&ut.ut_time); +#endif + + /* Write the entry. */ + pututline_r (&ut, &data); + + /* Close UTMP file. */ + endutent_r (&data); - if ((fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) < 0) - return; - if (fstat(fd, &buf) == 0) { - (void) strncpy(ut.ut_line, line, sizeof(ut.ut_line)); - (void) strncpy(ut.ut_name, name, sizeof(ut.ut_name)); - (void) strncpy(ut.ut_host, host, sizeof(ut.ut_host)); - (void) time(&ut.ut_time); - if (write(fd, (char *)&ut, sizeof(struct utmp)) != - sizeof(struct utmp)) - (void) ftruncate(fd, buf.st_size); - } - (void) close(fd); } |